Term
| Are mollusks invertebrates or vertebrates? |
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Definition
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Term
| What kind of symmetry do mollusks have? |
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Definition
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Term
| About how many species of mollusks have been named? |
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Term
Mollusks are usually shelled. (True or False) |
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Definition
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Term
Most mollusks live on land. (True or False) |
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Definition
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Term
What is thin layer of tissue on a mollusk called? |
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Definition
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Term
| What is it called when the heart moves blood out into the open spaces around the body organs? |
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Definition
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Term
| What are the three most common types of mollusks? |
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Definition
| gastropods, bivalves, cephalopods |
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Term
Mollusks were on earth more than million years ago. |
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Definition
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Term
| What kind of symmetry do most sponges have? |
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Definition
| asymmetrical but some are radial |
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Term
| Songes are attracted to one place during their lifetime. |
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Definition
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Term
| Sharp, pointed structures that provide structure and protection for a sponge. |
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Definition
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Term
| An animal that produces sperm and eggs in the same body. |
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Definition
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